package com.sky.controller.user;


import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController("userDishController")
@RequestMapping("/user/dish")
@Api(tags = "用户端ish接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    // (不需要口味)  test



    //(需要口味)
    // 根据分类id查询菜品
    @GetMapping("/list")
    @ApiOperation("根据分类查询菜品")
    public Result<List<DishVO>> list(@RequestParam Long categoryId) {
        // 查询redis
        String key = "dish_" + categoryId;
        List<DishVO> dishList = (List<DishVO>) redisTemplate.opsForValue().get(key);
        if(dishList != null && dishList.size() > 0){
            // 缓存中有数据
            return Result.success(dishList);
        }
        // 缓存中没有数据
        log.info("查询菜品：{}",categoryId);
        dishList = dishService.queryByCategoryId(categoryId);
        // 保存到redis
        redisTemplate.opsForValue().set(key,dishList);
        return Result.success(dishList);
    }



}
